In contrast, sperm viability did not show a clear trend during ageing; a significant decrease in sperm viability was recorded from 44 weeks to 56 weeks, whereas no significant differences were detected between 32 and 44 weeks, and between 32 and 56 weeks ( Fig 1C ).
← all excerpts
Age-dependent changes in metabolic profile of turkey spermatozoa as assessed by NMR analysis.
1
—
—